orbit-4-1/app/views/admin/pages/_form.html.erb

<%= f.error_messages %>
<%= f.hidden_field :parent_name %>

<p>
<%= f.label :name, "Name" %>
<%= f.text_field :name, :class => 'text' %>
</p>

<p>
<%= f.label :title, "Title en" %>
<%= f.text_field :title_en, :class => 'text' %>
</p>


<p>
<%= f.label :title, "Title zh_tw" %>
<%= f.text_field :title_zh_tw, :class => 'text' %>
</p>

<p>
<%= f.label :layout_name, "Layout Name" %>
<%= f.select :layout_name, Layout.all.map{ |l| [l.description, l.name] } %>
</p>

<p id="content_zh_tw_block">
<%= f.label "content_zh_tw", "Content (zh_tw)" %>
<%= f.text_area "content_zh_tw", :size => '100x30' %>
</p>

<p><a href="#" id="toggle_content_en_block">Edit english</a></p>

<p id="content_en_block">
<%= f.label "content_en", "Content (en)" %>
<%= f.text_area "content_en", :size => '100x30' %>
</p>

<p>
<%= f.label :is_published, "Is Published" %>
<%= f.radio_button :is_published, true %>Yes <%= f.radio_button :is_published, false %> No
</p>
  
<% content_for :page_specific_javascript do %>
<script type="text/javascript" charset="utf-8">
  $('#content_en_block').hide();
  $('#toggle_content_en_block').click(function(){
    $('#content_en_block').toggle();
  });
</script>
<% end -%>